Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae

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L. Watson and M. J. Dallwitz

Plemyria Hübner

Adults. Antennae of males simple; simply-ciliate. Face rough (with a slight cone of scales).

The outer margin of the forewing convexly curved. Forewings white, with brown markings and a grey terminal band; predominantly white; with a clear discal mark (this blackish); with a distinct median band (the band brown and contrasty, sometimes broken towards the hind nargin). Hindwings conspicuously patterned; white, with grey terminal banding; with a clear discal mark (this dark grey); transversely lined (a whitish subterminal line in the marginal grey band).

Vein 10 of the forewings arising independently of 9; arising out of 11 and anastomosing with 9 to form a simple areole. Hindwings exhibiting a tubular vein 5. Vein 5 of the hindwings arising from about the middle of the transverse vein, or arising from below the middle of the transverse vein (?). Vein 8 of the hindwings approximated to or anastomosed with the upper margin of the cell to the middle or beyond. Hindwing veins 6 and 7 stalked.

Posterior tibiae of males 4-spurred.

Early stages. Larvae feeding on Alnus, Prunus, etc.

British representation. 1 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, Wales, and Ireland (wherever Alder is plentiful). Living adults found in July. P. rubiginata (Blue-bordered Carpet).

Subfamily. Larentiinae.

Illustrations. • Plemyria rubiginata (Blue-bordered Carpet), ssp. plumbata Curtis: B. Ent. 643. • Plemyria rubiginata, ssp. plumbata Curtis: B. Ent. 643, legend+text. • Plemyria rubiginata, ssp. plumbata Curtis: B. Ent. 643, text cont.. • P. rubiginata, with Chloroclysta, Cidaria, Eulithis, Thera: Newman (1869). • P. rubiginata, with other Larentiinae (‘Carpets’): Kirby 50.


To view the illustrations with detailed captions, go to the interactive key. This also offers full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting or lacking specified attributes, and distributions of character states within any set of taxa.

Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2003 onwards. Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae. Version: 8th June 2016. delta-intkey.com’.

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